Table 2 Characteristics of physicians prescribing and adherence and participation
From: Differential low uptake of free vitamin D supplements in preterm infants: the Quebec experience
Characteristics | Early preterm n = 2409 | Late preterm n = 7819 | Total n = 10288 | ||||||
|---|---|---|---|---|---|---|---|---|---|
Exposed infants n = 902 | Unexposed infants n = 1507 | p value | Exposed infants n = 1618 | Unexposed infants n = 6201 | p value | Exposed infants n = 2520 | Unexposed infants n = 7708 | p value | |
Specialty of the infants’ physician, % (n) | |||||||||
General Practitioner | 23.9 (216) | 17.7 (267) | < 0.001 | 39.2 (635) | 43.4 (2692) | < 0.001 | 33.8 (851) | 38.4 (2959) | < 0.001 |
Paediatrician | 73.5 (663) | 53.8 (811) | 57.5 (930) | 47.7 (2958) | 63.2 (1593) | 48.9 (3769) | |||
Obstetrician- Gynaecologist | 0.3 (3) | 0.0 (0) | 1.2 (20) | 0.0 (0) | 0.91 (23) | 0.0 (0) | |||
Other specialist | 2.2 (20) | 28.5 (429) | 2.0 (33) | 8.9 (551) | 2.1 (53) | 12.7 (980) | |||
% of infants obtaining 2 or more bottles of Vitamin D (n) | 61.6 (556) | - | - | 49.7 (805) | - | - | 54.0 (1361) | - | - |
Among infants with 1 or more vitamin D prescription | |||||||||
Age at the time of the first prescription. days. median (min-max) | 62 (8–397) | - | - | 35 (1–400) | - | - | 49 (2–400) | - | |
Number of vitamin D prescriptions | 2 (1–12) | - | - | 1 (1–15) | - | - | 2 (1–15) | - | - |
median (min-max) | |||||||||
Infants initiating vitamin D during non-synthesizing period ……….% (n)* | 51.3 (463) | - | - | 52.4 (848) | - | - | 52.0 (1311) | - | - |